Question

17.48x37—174.8X1.9+1.748X820怎样用简便？

Answer 1

17.48x37—174.8X1.9+1.748X820=174.8x3.7—174.8X1.9+174.8X8.20=174.8X(8.2+3.7-1.9)=174.8X10=1748

Answer 2

17.48X(37-10X1.9+0.1X820)=17.48X100=1748

Answer 3

=17.48*37-17.48*19-17.18*82=17.48*(37+19+82)=17.48*138=2412.24

Answer 4

17.48×37-17.48×19+17.48×82=17.48×(37-19+82)=1748